Particle theory

Question 1

what is matter

Answer 1

Anything that occupies space ad has mass.

Question 2

name the three states of matter.

Answer 2

solid, liquid, gasses

Question 3

describe how particles are arranged in a solid liquid and gas.

Answer 3

In gasses particles can freely move around
In liquids particles are close to each other but are free to move past each other
In solids particles are closely packed together.

Question 4

List the properties of a solid.

Answer 4

Fixed shape and a fixed volume.
Cannot be compressed.
High density.

Question 5

List properties of a liquid.

Answer 5

Liquids are almost incompressible.
Fixed volume but no fixed shape
Flow from higher to lower level

Question 6

List properties of a gas

Answer 6

they are easy to compress,
they expand to fill their containers,
they occupy far more space than the liquids or solids from which they form

Question 7

explain how substances change from one state of matter to another.

Answer 7

Melting is when heat is applied to the material which changes its particle makeup.
Boiling is when a liquid is heated = gas
Condensation changes gas to liquid by cooling it
Freezing when a liquid is cooled and changed into a solid.

Question 8

explain the term diffusion and give an example.

Answer 8

The movement of particles from an area of high concentration to lower concentration

Question 9

explain what plasma is and what its function is.

Answer 9

Plasma is a gas that can carry an electrical charge. it has the ability to conduct electricity.